Join Barnes & Noble - Union Square on Saturday, June 10th, 2023, as we welcome the #1 New York Times bestselling authors of Hattie Harmony: Worry Detective, Elizabeth Olsen and Robbie Arnett, to celebrate their dazzling sequel, HATTIE HARMONY: OPENING NIGHT! In this delightful new adventure, Hattie shares new tools for managing anxiety, just in time for opening night of the school play.

Get your tickets here.